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ICPR
2006
IEEE
16 years 7 months ago
Combining Generative and Discriminative Methods for Pixel Classification with Multi-Conditional Learning
It is possible to broadly characterize two approaches to probabilistic modeling in terms of generative and discriminative methods. Provided with sufficient training data the discr...
B. Michael Kelm, Chris Pal, Andrew McCallum
WWW
2008
ACM
16 years 7 months ago
A generic framework for collaborative multi-perspective ontology acquisition
The research objective of this work is to develop a general framework that incorporates collaborative social tagging with a novel ontology scheme conveying multiple perspectives. ...
Maayan Zhitomirsky-Geffet, Judit Bar-Ilan, Yitzcha...
WSDM
2010
ACM
168views Data Mining» more  WSDM 2010»
16 years 1 months ago
Evolution of two-sided markets
Two-sided markets arise when two different types of users may realize gains by interacting with one another through one or more platforms or mediators. We initiate a study of the...
Ravi Kumar, Yury Lifshits, Andrew Tomkins
ESA
2009
Springer
92views Algorithms» more  ESA 2009»
16 years 1 months ago
Minimizing Movement: Fixed-Parameter Tractability
Abstract. We study an extensive class of movement minimization problems which arise from many practical scenarios but so far have little theoretical study. In general, these proble...
Erik D. Demaine, MohammadTaghi Hajiaghayi, D&aacut...
SIGECOM
2009
ACM
95views ECommerce» more  SIGECOM 2009»
16 years 1 months ago
Eliciting truthful answers to multiple-choice questions
Motivated by the prevalence of online questionnaires in electronic commerce, and of multiple-choice questions in such questionnaires, we consider the problem of eliciting truthful...
Nicolas S. Lambert, Yoav Shoham